EXHIBIT 32


CERTIFICATION PURSUANT TO SECTION 906

Pursuant to 18 U.S.C. Section 1350 as adopted pursuant to
Section 906 of the Sarbanes-Oxley Act of 2002, I, the
undersigned officer of SGreenTech Group Limited (formerly
Alderwood Acquisition Corporation (the "Company"),
hereby certify to my knowledge that:

The Report on Form 10-Q for the quarter ended June 30,
2011 of the Company fully complies, in all material respects,
with the requirements of Section 13(a) or 15(d) of the Securities
Exchange Act of 1934, and the information contained in the
Report fairly represents, in all material respects, the
financial condition and results of operations of the Company.

A signed original of this written statement required by Section
906 has been provided to the Company and will be retained by
the Company and furnished to the Securities and Exchange
Commission or its staff upon request.


                             /s/ Charles In
                                 President, Director,
                                 Chief Executivie Officer,
                                 Chief Financial Officer and
                                 Principal Accounting Officer
Date: August 14, 2011